EP3320174B1 - Vorrichtung zum zementieren eines rohres in ein bohrloch und entsprechendes zementierungsverfahren - Google Patents

Vorrichtung zum zementieren eines rohres in ein bohrloch und entsprechendes zementierungsverfahren Download PDF

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Publication number
EP3320174B1
EP3320174B1 EP16736152.6A EP16736152A EP3320174B1 EP 3320174 B1 EP3320174 B1 EP 3320174B1 EP 16736152 A EP16736152 A EP 16736152A EP 3320174 B1 EP3320174 B1 EP 3320174B1
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EP
European Patent Office
Prior art keywords
cementing
casing
aperture
well
expansion
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EP16736152.6A
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English (en)
French (fr)
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EP3320174A1 (de
Inventor
Jean-Louis Saltel
Samuel Roselier
Romain Neveu
Anas GABY
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Saltel Industries SAS
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Saltel Industries SAS
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
    • E21B33/14—Methods or devices for cementing, for plugging holes, crevices or the like for cementing casings into boreholes
    • E21B33/146—Stage cementing, i.e. discharging cement from casing at different levels
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E21B33/127—Packers; Plugs with inflatable sleeve
    • E21B33/1277—Packers; Plugs with inflatable sleeve characterised by the construction or fixation of the sleeve
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
    • E21B33/14—Methods or devices for cementing, for plugging holes, crevices or the like for cementing casings into boreholes

Definitions

  • the invention relates to the field of drilling.
  • the invention more particularly relates to cementing a casing inside a wellbore.
  • An example can be found in the document US 5,526,878 A regarded as the closest state of the art.
  • the invention applies in particular to oil, gas or geothermal wells.
  • casing or pipe
  • casing or pipe
  • the evolution of the quality of the cementation over time depends on the initial quality of the cementation and, in particular, the phase of solidification of the cement once it is injected into the ring.
  • the cement placed in the ring is subjected to many constraints (temperature, dilation of the casing, pressure in the well, ...) throughout the life of the well.
  • defects in the cementation can arise, such as the appearance of cracks, the formation of a micro-ring at the casing / cement interfaces (due to a loss of adhesion of the cement ring) and / or cement / formation.
  • the degradation of cementation over time can lead to gas leaks to the surface because the cement is no longer able to cope with the high pressures, which is undesirable.
  • the present invention aims to solve the weaknesses of prior techniques of cementing.
  • the invention relates to a device for cementing a pipe in a wellbore.
  • the cementing device of the invention implements closure means inside the pipe which control both the opening and closing of one or more port (s) cementing the ring finger , and one or more expansion port (s) of an isolation device, the latter being located on the pipe downstream (that is to say towards the bottom of the well) means of shutter and having a structure with two expandable folders.
  • the closure means are moved sequentially to allow, firstly, the radial expansion of the two expanding sleeves and the sealing application of the outer sleeve against the wall of the well, then in a second time to cement the annular located between the outer face of the pipe and the inner wall of the well.
  • the implementation of a structure with two expandable sleeves is advantageous in that it allows an optimum seal between the outer surface of the pipe and the inner surface of the borehole, so that in particular, the operation of cementing in the part of the annular space upstream of the shirts is done in good conditions.
  • This structure is, moreover, efficient and robust. Even in case of collapse of the inner liner, the outer jacket remains sealed against the interior surface of the borehole, thus ensuring the durability of the insulation and preventing fluid / gas backflow into the cemented annulus. to the surface.
  • This structure also does not require to be maintained expanded under pressure which eliminates any problem of pressure leakage.
  • the cementing device of the invention is particularly suitable, but not exclusively, for the staged cementation (that is to say in several steps) of a well.
  • said at least one communication passage consists of an orifice that presents the wall of said first outer sleeve and which opens into the part of said annular volume that extends between the two shirts.
  • the closure means are movable axially inside the pipe and can take a first position in which they close both said at least one cementing opening and said at least one opening a second position in which they close said at least one cement opening and open said at least one expansion opening, and a third position in which they open both said at least one cement opening and said at least one less an expansion opening.
  • the closure means comprise at least one rupture disc closing said at least one expansion opening.
  • the sealing means are temporarily fixed to the inner wall of the pipe in the first position by at least one breakable retaining element.
  • the closure means comprise two shutter sleeves axially movable inside the pipe.
  • one of said two sleeves is temporarily fixed to the inner wall of the pipe in the second position by at least one breakable retaining element.
  • the cementing device comprises first means for measuring the position of the movable shutter means inside the pipe.
  • the cementation device comprises second means for measuring the pressure in the annular spaces located respectively upstream and downstream of the isolation device.
  • the measuring means are configured to be able to communicate with a measuring tool descended with a cable inside the pipe.
  • the invention further relates to a method of cementing a pipe (or casing string) in a wellbore.
  • the figure 1 is a schematic view, along a longitudinal sectional plane, of a wellbore A in which is disposed a tubing column, or conduit (" casing " in English), 2, partially shown, incorporating the cementing device 1 according to a first embodiment of the invention.
  • the cementing device 1 comprises a differential valve 11 (commonly referred to as “ differential valve “ in English, whose abbreviation is “DV”) disposed towards the head of the well A and an isolation device 12 (or “packer” in English) which is disposed below the differential valve 11 (towards the bottom of the well A).
  • a differential valve 11 commonly referred to as " differential valve " in English, whose abbreviation is “DV”
  • isolation device 12 or “packer” in English
  • the isolation device 12 implements a structure with two expandable sleeves 122, 124.
  • the insulation device 12 thus comprises a tubular metal jacket, called “first outer jacket”, 122 whose opposite ends are integral with the outer face of the pipe 2. More specifically, these ends are clamped inside annular rings. reinforcement referenced 123 on the figure 1 .
  • the isolation device 12 further comprises a second tubular metal jacket, called a “second inner jacket”, 124 which extends between the pipe 2 and the first outer jacket 122, its ends being sandwiched between those of the first outer jacket 122 and the outer face of the pipe 2 inside the annular reinforcing rings 123.
  • the wall of the pipe 2 has a conduit 115 opening at one end into the pipe through at least one opening 112 and opening at the other end in the annular volume E, so as to communicate the inside of the pipe. pipe 2 with the annular volume E.
  • the isolation device 12 also comprises at least one communication passage, or orifice, 125 between the outside of the first outer jacket 122 and the portion E2 of said volume E which extends between the two jackets.
  • This orifice 125 crosses from one side to the other, the thickness of the wall of the first outer sleeve 122, and is directed downwards. The function will be explained later.
  • the jackets 122, 124 are capable of expanding, the first outer jacket 122 being intended to come, on an intermediate portion of its length, sealingly against the wall of the well A, and the second inner jacket 124 being intended to be pressed against the inner face of the first outer jacket 122.
  • the two jackets 122, 124 are made of ductile metal material.
  • the second inner liner 124 could be in another expandable material such as an elastically deformable rubber material.
  • the first outer sleeve may be covered over a portion of its length with a sealing layer, for example an elastically deformable material (elastomer type).
  • the figure 1 shows the insulation device 12 before expansion shirts 122, 124, the latter being undeformed.
  • the differential valve 11 comprises, in the illustrated example, a single tubular shutter sleeve 113, which is axially movable along the inner wall of the pipe 2.
  • This obturator sleeve 113 is intended to selectively open and close the expansion opening 112 of the folders 122, 124, and at least one opening, or port, of cementation 111 communicating the interior of the pipe 2 with the annular space 3 located between the outer face of the pipe 2 and the inner wall of the well.
  • the expansion opening 112 of the jackets 122, 124 (which is on the wellhead side) is located above the cementation opening 111 (which is the the bottom of the well), these two openings being located above the isolation device 12.
  • the closing sleeves 113 of the differential valve 11 are moved with a tool down inside the pipe 2 and clinging onto the closure sleeves 113 to move them.
  • FIGS 2A to 2E illustrate the cementing device of the figure 1 and show the successive steps, for the implementation of the cementing method according to the invention.
  • step S1 the pipe 2 having been put in place in the well A
  • step S1 the primary or initial cementation of the well A having been made of known manner downstream of the cementing device 1.
  • the shut-off sleeve 113 covers the cementing opening 111 which extends through the wall of the pipe 2. In this position, the opening 111 is hermetically closed preventing any flow of fluid from the inside of the pipe. 2 to the annular space 3, and vice versa.
  • the shutter sleeve 113 covers, in addition, the expansion (or inflation) opening 112 of the jackets 122, 124 of the isolation device 12.
  • the shutter sleeve 113 is temporarily fixed to the inner wall of the pipe 2 in the first position by at least one breakable retaining element, in the form of a pin / shear pin 114 designed in such a way that predetermined force is required to exceed the shear strength of pin / shear pin 114.
  • the shutter sleeve 113 thus requires a predetermined force to be actuated so that it passes from the first position to the second position, then to the third position, detailed below (as pointed out above, a tool is used to mechanically move the shutter sleeve 113).
  • an expansion fluid of the jackets 122, 124 is sent inside the pipe 2 and is introduced through the expansion opening 112 (step S3).
  • Shirts 122, 124 deform simultaneously radially outward and the first outer jacket 122 is pressed against the wall of the well A.
  • the isolation device 12 sealingly isolates an annular portion 32 of the well located below the isolation device 12 of another annular portion 31, located above the isolation device 12 and intended to be cemented.
  • the shutter sleeve 113 has further slid down the well A and discovers the cement opening 111 (step S4).
  • the injection of fluid into line 2 is then interrupted.
  • step S5 cement is then injected into the pipe 2 (step S5) and is directed through the cementing opening 111 into the annular space 31 located above the expanded shirts.
  • the cementing port 111 is closed to retain the cement in the annular space 31 and allow it to harden.
  • step S6 the shutter sleeve 113 has moved up the well A and is in its first position again.
  • the insulation device 12 thus serves as a base / support for the cement poured into the annular space 31 around the pipe 2. It protects the cement located in the annulus during the solidification phase but also in the long term under severe conditions.
  • the isolation device 12 further prevents the rise of fluids / gas to the wellhead.
  • the two-jacket structure of the isolation device 12 makes it possible to prevent the rising of fluids / gases to the wellhead.
  • This figure shows the fluid / gas that engages inside the volume E through the orifices 125 that the first outer jacket 122 of the insulation device 12 presents. In doing so, the fluid / gas fills the volume E2 and plate the first outer sleeve 122 against the wall of the well A. Under these conditions, the seal is retained and the risk of collapse of the first outer sleeve 122 is removed.
  • the isolation device 12 prevents upwellings of fluids / gases towards the wellhead and thus ensures a long-term seal in case of failure (cracks, micro-ring formation, ...) of the hardened cement located in the annular space 31.
  • FIGS. 5A and 6 show the cementing device 1 as described above, once the cementing of the annular space 31 performed.
  • the cementing opening 111 and the expansion opening 112 are sealed here by the sealing sleeve 113, the jackets 122, 124 being expanded and sealingly applied against the wall of the well.
  • the cement located in the annular space 31 rests on the isolation device 12.
  • the pressure rushes between the two jackets 122, 124 through the orifices 200 that the first outer jacket 122.
  • the first outer jacket 122 remains plated with sealed against the wall of well A.
  • the obturator sleeve 113 covers both the cementing opening 111 and the expansion opening 112 (it is in the first position).
  • the cementing port 111 and the expansion port 112 being in fluid communication, there is fluid communication between the annular space 31 and the interior volume E of the jackets 122, 124 which remain pressed against the wall of the container. well A.
  • the solution of the invention is, therefore, efficient and robust. It guarantees the durability of the insulation between the part of the well located downstream of the insulation device and the upstream part which is cemented, and ensures the support of this cemented part.
  • FIGS. 3A to 3E illustrate a second embodiment of the cementing device 1 of the invention.
  • the shutter sleeve 113 does not cover the expansion opening 112, but only the cementing opening 111 ( figure 3A ).
  • the expansion opening 112 may be protected by a rupture disc system to prevent fluid migration within the insulation device 12. None displacement of the closure sleeve 113 is therefore necessary to initiate the expansion of the folders 122, 124 ( figure 3B ).
  • the shutter sleeve 113 is moved towards the bottom of the well A (the pin / shear pin 114 has broken) so as to also open the cementing opening 112.
  • the shutter sleeve 113 moves towards the head of the well A so as to close the cementing opening 112 and the expansion opening 111 ( 3D and 3E figures ).
  • FIGS. 4A to 4E illustrate a third embodiment of the cementing device 1 of the invention.
  • the shutter sleeve 113 is here in two parts 113A, 113B axially movable.
  • the upper shut-off sleeve 113A covers the expansion opening 112
  • the lower shut-off sleeve 113B covering the cementing opening 111.
  • the two shut-off sleeves 113A, 113B are, during this setting, distant one of the other.
  • the expansion fluid then moves the upper obturator sleeve 113A towards the bottom of the well A (the pin / shear pin 114 has broken), the latter being pressed against the lower obturator sleeve 113B so as to open the opening expansion 112 ( Figure 4B ), the lower plug sleeve 113B still covering the cementation opening 111.
  • the two plug sleeves 113A, 113B then move towards the bottom of the well A, remaining in contact (the pin / shear pin 114 of the lower plug sleeve 113B has broken down), so that they discover the opening of cementing 111.
  • the two shut-off sleeves 113A, 113B then move towards the head of the well A so that they cover and close respectively the cementing opening 112 and the expansion opening 111 ( Figures 4D and 4E ).
  • the wall of the first outer jacket 122 is devoid of orifices 125.
  • the orifice (or the orifices) 125 is situated between two ends facing the jackets 122, 124 and opens into the part E2 of the said space E between the two jackets 122, 124.
  • the technique of the invention can be implemented in the horizontal part of a wellbore A.
  • measuring means for the position of the closure sleeve (s) 113 of the differential valve 11.
  • These measuring means can communicate, and in particular transmit the measured data, with a " wireline " tool descended with a cable inside the pipe 2.
  • closure sleeve or sleeves may take other forms than those illustrated in the embodiments described above.
  • the cementation opening is then opened by pressure injection which moves the first closure sleeve towards the bottom of the well.
  • the pipe is closed by a plug disposed upstream of the cementing device and coming to bear on the second sealing sleeve.
  • the stopper can then be pierced.
  • the device of the invention can be used to cement a casing inside a casing of a wellbore.

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  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Pipe Accessories (AREA)
  • Mechanical Sealing (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Claims (13)

  1. Vorrichtung zum Zementieren (1) einer Rohrleitung (2) in einem Bohrloch (A), dadurch gekennzeichnet, dass es aufweist:
    - auf der Seite des Bohrlochkopfes (A) Verschlussmittel (11), die im Inneren der Rohrleitung (2) angeordnet sind und die das Öffnen und das Schließen von mindestens einer Zementierungsöffnung (111) steuern, wobei die mindestens eine Zementierungsöffnung (111) das Innere der Rohrleitung (2) mit dem ringförmigen Raum (3) verbindet, der zwischen der Außenfläche der Rohrleitung (2) und der Innenwand des Bohrlochs (A) angeordnet ist,
    - auf der Seite des Bodens des Bohrlochs (A) eine Isoliervorrichtung (12), die entlang der Außenfläche der Rohrleitung (2) angebracht ist, die aufweist:
    - eine expandierbare Hülle, die erste äußere Hülle (122) genannt wird, deren gegenüberliegende Enden mit der Außenfläche der Rohrleitung (2) fest verbunden sind, wobei diese Rohrleitung (2), die erste äußere Hülle (122) und ihre Enden zusammen ein ringförmiges Volumen (E) begrenzen, wobei die Verschlussmittel (11) ferner das Öffnen und das Schließen mindestens einer Expansionsöffnung (112) steuern, die das Innere der Rohrleitung (2) und das ringförmige Volumen (E) verbinden, wobei diese erste äußere Hülle (122) geeignet ist, sich auszudehnen und auf einem Zwischenteil ihrer Länge dichtend an der Wand des Bohrloch (A) anzuliegen,
    - eine zweite expandierbare Hülle, die zweite innere Hülle (124) genannt wird, die sich zwischen der Rohrleitung (2) und der ersten äußeren Hülle (122) erstreckt, wobei ihre Enden ebenfalls mit der Außenfläche der Rohrleitung (2) fest verbunden sind,
    - mindestens einen Verbindungsdurchgang (125) zwischen der Außenseite der ersten äußeren Hülle (122) und dem ringförmigen Raum (E), dadurch gekennzeichnet, dass der mindestens eine Verbindungsdurchgang (125) auf der Seite der Isoliervorrichtung (12) angeordnet ist, die zum Boden des Bohrlochs (A) gerichtet ist.
  2. Vorrichtung zum Zementieren (1) nach Anspruch 1, dadurch gekennzeichnet, dass der mindestens eine Verbindungsdurchgang (125) aus einer Öffnung besteht, die die Wand der ersten äußeren Hülle (122) aufweist und die in den Teil (E2) des ringförmigen Volumens (E) mündet, das sich zwischen den beiden Hüllen (122, 124) erstreckt.
  3. Vorrichtung zum Zementieren (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Verschlussmittel (11) im Inneren der Rohrleitung (2) axial beweglich sind und eine erste Position, in der sie gleichzeitig die mindestens eine Zementierungsöffnung (111) und die mindestens eine Expansionsöffnung (112) schließen, eine zweite Position, in der sie die mindestens eine Zementierungsöffnung (111) schließen und die mindestens eine Expansionsöffnung (112) öffnen, und eine dritte Position einnehmen können, in der sie gleichzeitig die mindestens eine Zementierungsöffnung (111) und die mindestens eine Expansionsöffnung (112) öffnen.
  4. Vorrichtung zum Zementieren (1) nach Anspruch 3, dadurch gekennzeichnet, dass eine Fluidverbindung zwischen dem Teil (E1) des ringförmigen Volumens (E), der sich zwischen der Rohrleitung (2) und der zweiten inneren Hülle (124) erstreckt, und dem ringförmigen Raum (31) besteht, der oberhalb der Isoliervorrichtung (12) zwischen der Außenfläche der Rohrleitung (2) und der Innenwand des Bohrlochs (A) angeordnet ist, wenn sich die beweglichen Verschlussmittel (11) in der ersten Position befinden, in der sie gleichzeitig die mindestens eine Zementierungsöffnung (111) und die mindestens eine Expansionsöffnung (112) verschließen.
  5. Vorrichtung zum Zementieren (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Verschlussmittel (11) mindestens eine Berstscheibe aufweisen, die die mindestens eine Expansionsöffnung (112) verschließt.
  6. Vorrichtung zum Zementieren (1) nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass die Verschlussmittel (11) durch mindestens ein zerbrechbares Halteelement (114) an der Innenwand der Rohrleitung (2) in der ersten Position vorübergehend befestigt sind.
  7. Vorrichtung zum Zementieren (1) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Verschlussmittel (11) zwei Verschlussmuffen (113A, 113B) aufweisen, die axial im Inneren der Rohrleitung (2) bewegbar sind.
  8. Vorrichtung zum Zementieren (1) nach Anspruch 7 in Abhängigkeit von Anspruch 3 genommen, dadurch gekennzeichnet, dass eine der zwei Verschlussmuffen (113A, 113B) durch mindestens ein zerbrechbares Halteelement (114) an der Innenwand der Rohrleitung in der zweiten Position vorübergehend befestigt ist.
  9. Vorrichtung zum Zementieren (1) nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Verschlussmittel (11) dazu bestimmt sind, durch mindestens eines der folgenden Mittel verschoben zu werden:
    - durch Druckinjektion in die Rohrleitung (2),
    - über ein Betätigungsmittel, das durch einen Fluidstrom in die Rohrleitung (2) geleitet wird,
    - durch Ablassen eines Steuerungswerkzeugs in die Rohrleitung (2).
  10. Vorrichtung zum Zementieren (1) nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass sie erste Mittel zum Messen (118) der Position der Verschlussmittel (11) im Inneren der Rohrleitung (2) aufweist.
  11. Vorrichtung zum Zementieren (1) nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass sie zweite Mittel zum Messen (311, 311) des Drucks aufweist, der in den ringförmigen Räumen (31, 32) herrscht, die jeweils vorgelagert und nachgelagert nach der Isoliervorrichtung (12) angeordnet sind.
  12. Vorrichtung zum Zementieren (1) nach den Ansprüchen 10 und 11, dadurch gekennzeichnet, dass die ersten und zweiten Mittel zum Messen konfiguriert sind, um mit einem Messwerkzeug zusammenzuwirken, das mit einem Kabel ins Innere der Rohrleitung (2) abgelassen ist.
  13. Verfahren zum Zementieren einer Rohrleitung in einem Bohrloch (A), dadurch gekennzeichnet, dass es aufweist:
    - einen Schritt des Anordnens (S1) in dem Bohrloch einer Rohrleitung (2), die mit einer Vorrichtung zum Zementieren (1) nach einem der Ansprüche 1 bis 12 ausgestattet wird,
    - einen Schritt des Öffnens (S2) der mindestens einen Expansionsöffnung (112), wobei die mindestens eine Zementierungsöffnung (111) geschlossen wird,
    - einen Schritt des Einspritzens (S3) eines Fluids in die Rohrleitung (2) in Richtung der mindestens einen Expansionsöffnung (112) derart, um das Expandieren der ersten und der zweiten Hülle (122, 124) der Isoliervorrichtung (12) und das dichte Anbringen der ersten äußeren Hülle (122) gegen die Wand des Bohrlochs (A) zu ermöglichen,
    - nach dem Schritt des Einspritzens (S3) einen Schritt des Öffnens (S4) der mindestens einen Zementierungsöffnung (111),
    - einen Schritt des Einspritzens (S5) des Zements in die Rohrleitung (2) in Richtung des ringförmigen Raums (31) über die mindestens eine Zementierungsöffnung (111),
    - einen Schritt des Schließens (S6) der mindestens einen Zementierungsöffnung (111) und der mindestens einen Expansionsöffnung (112).
EP16736152.6A 2015-07-10 2016-07-07 Vorrichtung zum zementieren eines rohres in ein bohrloch und entsprechendes zementierungsverfahren Active EP3320174B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1556609A FR3038648B1 (fr) 2015-07-10 2015-07-10 Dispositif de cimentation d’une conduite dans un puits de forage et procede de cimentation correspondant
PCT/EP2016/066059 WO2017009155A1 (fr) 2015-07-10 2016-07-07 Dispositif de cimentation d'une conduite dans un puits de forage et procédé de cimentation correspondant

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EP3320174A1 EP3320174A1 (de) 2018-05-16
EP3320174B1 true EP3320174B1 (de) 2019-06-19

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US (1) US10180039B2 (de)
EP (1) EP3320174B1 (de)
BR (1) BR112018000226B1 (de)
FR (1) FR3038648B1 (de)
WO (1) WO2017009155A1 (de)

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US11739607B2 (en) 2021-12-02 2023-08-29 Saudi Arabian Oil Company Multi-expansion packer system having an expandable inner part disposed within an outer part of the packer

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US5526878A (en) * 1995-02-06 1996-06-18 Halliburton Company Stage cementer with integral inflation packer
FR2988126B1 (fr) * 2012-03-16 2015-03-13 Saltel Ind Dispositif d'isolation d'une partie d'un puits
FR3010130B1 (fr) * 2013-08-28 2015-10-02 Saltel Ind Element tubulaire avec etancheite dynamique et son procede d'application contre la paroi d'un puits

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EP3320174A1 (de) 2018-05-16
US10180039B2 (en) 2019-01-15
FR3038648B1 (fr) 2017-08-11
BR112018000226B1 (pt) 2022-11-29
US20180202258A1 (en) 2018-07-19
WO2017009155A1 (fr) 2017-01-19
BR112018000226A2 (pt) 2018-09-04
FR3038648A1 (fr) 2017-01-13

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